CVE-2026-3622
HIGH7.5CVSS v3
—CVSS v2
0.05%
EPSS (exploit probability)
CWE-125CWE
Description
The vulnerability exists in the UPnP component of TL-WR841N v14, where improper input validation leads to an out-of-bounds read, potentially causing a crash of the UPnP service.
Successful exploitation can cause the UPnP service to crash, resulting in a Denial-of-Service condition.
This vulnerability affects TL-WR841N v14 < EN_0.9.1 4.19 Build 260303 Rel.42399n (V14_260303) and < US_0.9.1.4.19 Build 260312 Rel. 49108n (V14_0304).
CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected routers (1)
| Vendor | Model | Matched via | Affected versions | Fixed in | Patch? |
|---|---|---|---|---|---|
| TP-Link | TP-Link TL-WR841N | — |
— | — | No |